LG SJ7 - Page 55

3-20
Copyright © 2017 LG Electronics Inc. All rights reserved.
Only for training and service purposes.
PRIMARY UNIT
1-4. REMOTE CONTROL
FIG 1-4-1. Input Voltage
8
FIG 1-4-2. Low Timing
9
Item Measured Spec.
Input Level 3.3 V
IR Receiver Spec:
2.7 ~ 5.5 V
“ Low” Timing 4.4 ms 3.6 ms ~ 5.04 ms
“ High” Timing 4.48 ms 4.08 ms ~ 5.04 ms
FIG 1-4-3. High Timing
10
8109